102 lines
2.5 KiB
C++
Executable File
102 lines
2.5 KiB
C++
Executable File
/*
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* High Speed modem to transfer data in a 2,7kHz SSB channel
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* =========================================================
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* Author: DJ0ABR
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*
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* (c) DJ0ABR
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* www.dj0abr.de
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websocket server: based on the work by: Davidson Francis <davidsondfgl@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "../hsmodem.h"
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extern int useCAT;
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int connections = 0;
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// a new browser connected
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void onopen(int fd)
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{
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char *cli;
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cli = ws_getaddress(fd);
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if(cli != NULL)
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{
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insert_socket(fd,cli);
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printf("Connection opened, client: %d | addr: %s\n", fd, cli);
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connections++;
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printf("%d users logged in\n",connections);
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free(cli);
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}
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}
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// a browser disconnected
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void onclose(int fd)
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{
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remove_socket(fd);
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#ifdef WIN32
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_close(fd);
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#else
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close(fd);
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#endif
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printf("Connection closed, client: %d\n", fd);
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connections--;
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printf("%d users logged in\n",connections);
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}
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// if avaiable, send data to a browser
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int onwork(int fd, unsigned char *cnt0, unsigned char *cnt1)
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{
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int ret = 0;
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for(int i=0; i<MAX_CLIENTS; i++)
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{
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if(actsock[i].socket == fd)
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{
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// send all available data in one frame
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// (sending multiple frames resulted in data loss)
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int len;
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unsigned char *p = ws_build_txframe(i,&len);
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if(p != NULL)
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{
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ret = ws_sendframe_binary(fd, p, len);
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free(p);
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actsock[i].send = 0;
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}
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return ret;
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}
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}
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return 0;
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}
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// received a Websocket Message from a browser
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void onmessage(int fd, unsigned char *msg)
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{
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USERMSG tx_usermsg;
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char *cli = ws_getaddress(fd);
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if(cli != NULL)
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{
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tx_usermsg.client = get_socket_idx(fd);
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tx_usermsg.command = 0;
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//printf("Browser messages: %s, from: %s/%d\n", msg, cli, fd);
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actsock[tx_usermsg.client].alive = 20;
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free(cli);
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}
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}
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